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#define ECP_CTYPE_VCONN (0x01 | ECP_CTYPE_FLAG_SYS)
#define ECP_CTYPE_VLINK (0x02 | ECP_CTYPE_FLAG_SYS)
#define ECP_MTYPE_NEXT 0x00
#define ECP_MTYPE_EXEC 0x02
#define ECP_MTYPE_RELAY 0x01
/* inbound only */
typedef struct ECPVConn {
ECPConnection b;
ECPDHPub key_next[ECP_MAX_NODE_KEY];
unsigned char key_next_curr;
} ECPVConn;
ssize_t ecp_vconn_send_open_req(ECPConnection *conn, unsigned char *cookie);
ssize_t ecp_vconn_pack_parent(ECPConnection *conn, ECPBuffer *packet, ECPBuffer *payload, size_t pkt_size, ecp_tr_addr_t *addr);
int ecp_vconn_handle_open(ECPConnection *conn, ECP2Buffer *b);
void ecp_vconn_handle_close(ECPConnection *conn);
ssize_t ecp_vconn_handle_msg(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, size_t msg_size, ECP2Buffer *b);
int ecp_vconn_create_inb(ECPVConn *conn, ECPSocket *sock);
void ecp_vconn_destroy_inb(ECPVConn *conn);
int ecp_vconn_create(ECPConnection vconn[], ecp_ecdh_public_t keys[], size_t vconn_size, ECPConnection *conn);
int ecp_vconn_open(ECPConnection *conn, ECPNode *node);
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